Used set of JWT S3 cams install

[Ray Sta.Juana]

I've read about the procedures that are required when first installing cams
in our cars but I haven't found what to do when the cams are used. Do I do
the same thing or since it's used, could I just take it easy for a few tanks
of gas? TIA

Ray S
98 Sentra SE
99 Sentra SE-L donor